{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897893,-0.440213,0.000000,0.000000,0.285197,-0.581711,0.761758,0.000000,-0.334388,0.682044,0.650385,0.000000,-2135796.799557,4356342.430877,4126322.088307,1],    "boundingVolume": {    "region": [2.026556,0.707978,2.026708,0.708205,0.000000,10.273873]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/2_1794921.b3dm"}}}